Revision 362de916c06521205276acb7f51c99f47db94727 authored by Junio C Hamano on 10 June 2013, 00:16:20 UTC, committed by Junio C Hamano on 10 June 2013, 19:34:42 UTC
Primarily to push out two regression issues that seem to affect many people, namely, the ".gitignore !directory" bug and "daemon cannot read from $HOME owned by root" bug. Signed-off-by: Junio C Hamano <gitster@pobox.com>
1 parent a454065
run-command.h
#ifndef RUN_COMMAND_H
#define RUN_COMMAND_H
#ifndef NO_PTHREADS
#include <pthread.h>
#endif
struct child_process {
const char **argv;
pid_t pid;
/*
* Using .in, .out, .err:
* - Specify 0 for no redirections (child inherits stdin, stdout,
* stderr from parent).
* - Specify -1 to have a pipe allocated as follows:
* .in: returns the writable pipe end; parent writes to it,
* the readable pipe end becomes child's stdin
* .out, .err: returns the readable pipe end; parent reads from
* it, the writable pipe end becomes child's stdout/stderr
* The caller of start_command() must close the returned FDs
* after it has completed reading from/writing to it!
* - Specify > 0 to set a channel to a particular FD as follows:
* .in: a readable FD, becomes child's stdin
* .out: a writable FD, becomes child's stdout/stderr
* .err: a writable FD, becomes child's stderr
* The specified FD is closed by start_command(), even in case
* of errors!
*/
int in;
int out;
int err;
const char *dir;
const char *const *env;
unsigned no_stdin:1;
unsigned no_stdout:1;
unsigned no_stderr:1;
unsigned git_cmd:1; /* if this is to be git sub-command */
unsigned silent_exec_failure:1;
unsigned stdout_to_stderr:1;
unsigned use_shell:1;
unsigned clean_on_exit:1;
};
int start_command(struct child_process *);
int finish_command(struct child_process *);
int run_command(struct child_process *);
extern char *find_hook(const char *name);
extern int run_hook(const char *index_file, const char *name, ...);
#define RUN_COMMAND_NO_STDIN 1
#define RUN_GIT_CMD 2 /*If this is to be git sub-command */
#define RUN_COMMAND_STDOUT_TO_STDERR 4
#define RUN_SILENT_EXEC_FAILURE 8
#define RUN_USING_SHELL 16
#define RUN_CLEAN_ON_EXIT 32
int run_command_v_opt(const char **argv, int opt);
/*
* env (the environment) is to be formatted like environ: "VAR=VALUE".
* To unset an environment variable use just "VAR".
*/
int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env);
/*
* The purpose of the following functions is to feed a pipe by running
* a function asynchronously and providing output that the caller reads.
*
* It is expected that no synchronization and mutual exclusion between
* the caller and the feed function is necessary so that the function
* can run in a thread without interfering with the caller.
*/
struct async {
/*
* proc reads from in; closes it before return
* proc writes to out; closes it before return
* returns 0 on success, non-zero on failure
*/
int (*proc)(int in, int out, void *data);
void *data;
int in; /* caller writes here and closes it */
int out; /* caller reads from here and closes it */
#ifdef NO_PTHREADS
pid_t pid;
#else
pthread_t tid;
int proc_in;
int proc_out;
#endif
};
int start_async(struct async *async);
int finish_async(struct async *async);
#endif
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